Formal & Physical Sciences MathematicsENModules | Graduate Algebra I Lecture 14 | Lee Pei Yi 260522Lee Pei YiMay 24, 2026 118 min★ ★ ★ ☆ ☆ 3/5ModulesAbstract AlgebraGraduate Algebra
Formal & Physical Sciences MathematicsENUnique Factorization in Polynomial Rings | Graduate Algebra I Lecture 12 | Teoh Yu Hang 260515Teoh Yu HangMay 16, 2026 59 min★ ★ ★ ★ ☆ 4/5Zorn's LemmaMaximal IdealsPrime Ideals
Formal & Physical Sciences MathematicsENIrreducilbility of Polynomials | Graduate Algebra I Lecture 12.5 | Ong Jing Poh 260515Ong Jing PohMay 16, 2026 93 min★ ★ ★ ☆ ☆ 3/5AlgebraUFDIrreducibility
Formal & Physical Sciences MathematicsENRings and Zorn's Lemma | Graduate Algebra I Lecture 11 | Lee Pei Yi, Teoh Yu Hang 260512Lee Pei Yi, Teoh Yu HangMay 13, 2026 122 min★ ★ ★ ☆ ☆ 3/5Ring TheoryZorn's LemmaMaximal Ideals
Formal & Physical Sciences MathematicsENIrreducibles, Prime, PID, Euclidean domain, UFD | Graduate Algebra I Lec 10.5 | Kong Shi Yu 260509Kong Shi YuMay 9, 2026 71 min★ ★ ★ ★ ☆ 4/5Abstract AlgebraRing TheoryUFD
Formal & Physical Sciences MathematicsENIdeals and Quotient RIngs | Graduate Algebra I Lecture 10 | Lee Chuen Jac 260509Lee Chuen JacMay 9, 2026 74 min★ ★ ★ ★ ☆ 4/5Ring TheoryIdealsQuotient Rings
Formal & Physical Sciences MathematicsENGroup Extension | Graduate Algebra I Lecture 9 | Nge Kie Seng 260506Nge Kie SengMay 6, 2026 116 min★ ★ ★ ★ ☆ 4/5Group TheoryShort Exact SequenceSemidirect Product
Formal & Physical Sciences MathematicsENTutorial on Peano Axioms and Proofs | Mathematical Analysis 1 Tutorial 2 | Nge Kie Seng 260424Nge Kie SengApril 24, 2026 25 min★ ★ ★ ☆ ☆ 3/5Peano AxiomsProof TechniquesMathematical Analysis
Formal & Physical Sciences MathematicsENGroup Action | Graduate Algebra I Lecture 6 | Teoh Yu Hang 260424Teoh Yu HangApril 24, 2026 116 min★ ★ ★ ★ ☆ 4/5Group ActionGroup TheoryOrbit-Stabilizer Theorem
Formal & Physical Sciences MathematicsENQuotient Groups | Graduate Algebra I Lecture 5 | Lee Chuen Jac 260421Lee Chuen JacApril 21, 2026 115 min★ ★ ★ ☆ ☆ 3/5Group TheoryQuotient GroupsNormal Subgroups
Formal & Physical Sciences MathematicsENThe Category of Groups | Graduate Algebra I Lecture 3 | Ong Jing Poh 260414Ong Jing PohApril 14, 2026 96 min★ ★ ★ ☆ ☆ 3/5Group TheoryCategory TheoryAlgebra
Formal & Physical Sciences MathematicsENUniversal Properties | Graduate Algebra I Lecture 2 | Nge Kie Seng 260410Nge Kie SengApril 10, 2026 114 min★ ★ ★ ★ ☆ 4/5Category TheoryUniversal PropertiesGraduate Algebra
Formal & Physical Sciences MathematicsENPeano Axioms | Mathematical Analysis 1 Lecture 3 | Nge Kie Seng 260410Nge Kie SengApril 10, 2026 127 min★ ★ ★ ★ ☆ 4/5Peano AxiomsMathematical AnalysisNatural Numbers
Formal & Physical Sciences MathematicsENPredicate Logic | Mathematical Analysis 1 Lecture 2 | Nge Kie Seng 26.04.09Nge Kie SengApril 9, 2026 119 min★ ★ ★ ★ ☆ 4/5Predicate LogicQuantifiersMathematical Analysis
Formal & Physical Sciences MathematicsENPropositional Logic | Mathematical Analysis 1 Lecture 1 | Nge Kie Seng 26.04.08Nge Kie SengApril 8, 2026 124 min★ ★ ★ ★ ☆ 4/5Propositional LogicMathematical AnalysisLecture
Formal & Physical Sciences MathematicsENCategories | Graduate Algebra I Lecture 1 | Nge Kie Seng 2600408Nge Kie SengApril 8, 2026 118 min★ ★ ★ ★ ☆ 4/5Category TheorySet TheoryGraduate Algebra
Formal & Physical Sciences MathematicsENTutorial Problems Discussion | Elementary Number Theory Lec 15 | Nge Kie Seng 250328Nge Kie SengMarch 28, 2026 172 min★ ★ ★ ★ ☆ 4/5Number TheoryTutorialGCD
Formal & Physical Sciences MathematicsENZigzag Algebras from Floer Cohomology | Nge Kie Seng 20260326Nge Kie SengMarch 26, 2026 59 min★ ★ ★ ☆ ☆ 3/5Floer CohomologyZigzag AlgebrasSymplectic Geometry
Formal & Physical Sciences MathematicsENSum of Squares | Elementary Number Theory Lec 13 | Nge Kie Seng 250326Nge Kie SengMarch 26, 2026 172 min★ ★ ★ ★ ☆ 4/5Number TheorySum of SquaresContinued Fractions
Formal & Physical Sciences MathematicsENAssignment Problems Discussion | Elementary Number Theory Lec 14 | Nge Kie Seng 250326Nge Kie SengMarch 26, 2026 155 min★ ★ ★ ★ ☆ 4/5Number TheorySum of SquaresPrimitive Roots
Formal & Physical Sciences MathematicsENPeriodic Continued Fractions, Pythagorean Triple | Elementary Number TheoryLec12|Nge Kie Seng 250324Nge Kie SengMarch 25, 2026 177 min★ ★ ★ ☆ ☆ 3/5Number TheoryContinued FractionsQuadratic Irrationals
Formal & Physical Sciences Science — General & HistoryENMy Journey on Mathematics - Don't Count it, Categorify!KenMarch 19, 2026 93 min★ ★ ★ ☆ ☆ 3/5MathematicsCategory TheoryCategorification
Formal & Physical Sciences MathematicsENLegendre Symbol, Jacobi Symbol | Elementary Number Theory Lec 10 | Nge Kie Seng 250316Nge Kie SengMarch 16, 2026 164 min★ ★ ★ ★ ☆ 4/5Legendre SymbolJacobi SymbolQuadratic Reciprocity
Formal & Physical Sciences MathematicsENQuadratic Residues | Elementary Number Theory Lec 9 | Nge Kie Seng 250313Nge Kie SengMarch 13, 2026 173 min★ ★ ★ ★ ☆ 4/5Quadratic ResiduesLegendre SymbolEuler's Criterion
Formal & Physical Sciences MathematicsENThe Existence of Primitive Roots | Elementary Number Theory Lec 8 | Nge Kie Seng 250311Nge Kie SengMarch 11, 2026 162 min★ ★ ★ ★ ☆ 4/5Primitive RootsNumber TheoryModular Arithmetic
Formal & Physical Sciences MathematicsENThe Existence of Primitive Roots | Elementary Number Theory Lec 7 | Nge Kie Seng 250309Nge Kie SengMarch 9, 2026 171 min★ ★ ★ ★ ☆ 4/5Primitive RootsNumber TheoryModular Arithmetic
Formal & Physical Sciences MathematicsENCrytography, Primitive Roots | Elementary Number Theory Lec 6 | Nge Kie Seng 250306Nge Kie SengMarch 8, 2026 168 min★ ★ ★ ★ ☆ 4/5Number TheoryCryptographyEuler's Totient
Formal & Physical Sciences MathematicsENMultiplicative Functions | Elementary Number Theory Lec 5 | Nge Kie Seng 250304Nge Kie SengMarch 4, 2026 182 min★ ★ ★ ★ ☆ 4/5Number TheoryMultiplicative FunctionsEuler's Totient
Formal & Physical Sciences MathematicsENChinese Remainder Thm, Euler's Thm | Elementary Number Theory Lec 4 | Nge Kie Seng 250228Nge Kie SengMarch 2, 2026 173 min★ ★ ★ ★ ☆ 4/5Number TheoryChinese Remainder TheoremEuler's Theorem
Formal & Physical Sciences MathematicsENLinear Congruence | Elementary Number Theory Lecture 3 | Nge Kie Seng 250228Nge Kie SengFebruary 28, 2026 175 min★ ★ ★ ★ ☆ 4/5Number TheoryCongruenceModular Arithmetic
Formal & Physical Sciences MathematicsENBezout's Theorem, Diophantine Equation | Elementary Number Theory Lecture 2 | Nge Kie Seng 250225Nge Kie SengFebruary 26, 2026 170 min★ ★ ★ ★ ☆ 4/5Number TheoryEuclidean AlgorithmBezout's Theorem
Formal & Physical Sciences MathematicsENPrimes, Divisibility, GCD | Elementary Number Theory Lecture 1 | Nge Kie Seng 250223Nge Kie SengFebruary 23, 2026 176 min★ ★ ★ ★ ☆ 4/5Number TheoryPrimesDivisibility
Formal & Physical Sciences MathematicsENNakajima Quiver Varieties | Adrian Tan Yue Qiang 2025.01.02Adrian Tan Yue QiangJanuary 2, 2026 17 min★ ★ ★ ☆ ☆ 3/5Nakajima Quiver VarietiesGeometric Invariant TheoryQuiver Representations
Formal & Physical Sciences MathematicsENHilbert Schemes of n Points | Yao Yichen 2025.01.02Yao YichenJanuary 2, 2026 20 min★ ★ ★ ★ ☆ 4/5Hilbert SchemeScheme TheoryAlgebraic Geometry
Formal & Physical Sciences MathematicsENFinals Revision Question | Calculus I A Lecture 27 | Nge Kie Seng 20260102Nge Kie SengJanuary 2, 2026 162 min★ ★ ★ ★ ☆ 4/5CalculusRiemann SumIntegration
Formal & Physical Sciences MathematicsENClassification of Semisimple Lie Algebras | Liu Xiaoyue 2025.01.02Liu XiaoyueJanuary 2, 2026 19 min★ ★ ★ ☆ ☆ 3/5Lie AlgebrasSemisimpleRoot Systems
Formal & Physical Sciences MathematicsENKunneth Formula & Poincare Duality | Algebraic Topology Lecture 27 | Nge Kie Seng 251231Nge Kie SengDecember 31, 2025 115 min★ ★ ★ ★ ☆ 4/5Künneth FormulaPoincaré DualityAlgebraic Topology
Formal & Physical Sciences MathematicsENCohomology Ring | Algebraic Topology Lecture 26 | Nge Kie Seng 251229Nge Kie SengDecember 29, 2025 113 min★ ★ ★ ☆ ☆ 3/5CohomologyAlgebraic TopologyCup Product
Formal & Physical Sciences MathematicsENSeparable Equations | Calculus I A Lecture 25 | Nge Kie Seng 20251227Nge Kie SengDecember 27, 2025 175 min★ ★ ★ ★ ☆ 4/5Differential EquationsSeparable EquationsCalculus
Formal & Physical Sciences MathematicsENCup Products | Algebraic Topology Lecture 25 | Nge Kie Seng 251224Nge Kie SengDecember 24, 2025 113 min★ ★ ★ ★ ☆ 4/5Algebraic TopologyCup ProductCohomology
